| Millennium: | 2nd Millennium |
|---|---|
| Centuries: | 12th cent. – 13th cent. – 14th cent. |
| Decades: | 1170s 1180s 1190s – 1200s – 1210s 1220s 1230s |
| Years: | 1200 1201 1202 – 1203 – 1204 1205 1206 |
| Gregorian calendar | 1203 MCCIII |
| Ab urbe condita | 1956 |
| Armenian calendar | 652 ԹՎ ՈԾԲ |
| Assyrian calendar | 5953 |
| Bengali calendar | 610 |
| Berber calendar | 2153 |
| English Regnal year | 4 Joh. 1 – 5 Joh. 1 |
| Buddhist calendar | 1747 |
| Burmese calendar | 565 |
| Byzantine calendar | 6711–6712 |
| Chinese calendar | 壬戌年 (Water Dog) 3899 or 3839 — to — 癸亥年 (Water Pig) 3900 or 3840 |
| Coptic calendar | 919–920 |
| Discordian calendar | 2369 |
| Ethiopian calendar | 1195–1196 |
| Hebrew calendar | 4963–4964 |
| Hindu calendars | |
| - Vikram Samvat | 1259–1260 |
| - Shaka Samvat | 1124–1125 |
| - Kali Yuga | 4303–4304 |
| Holocene calendar | 11203 |
| Igbo calendar | 203–204 |
| Iranian calendar | 581–582 |
| Islamic calendar | 599–600 |
| Japanese calendar | Kennin 3 (建仁３年) |
| Javanese calendar | 1111–1112 |
| Julian calendar | 1203 MCCIII |
| Korean calendar | 3536 |
| Minguo calendar | 709 before ROC 民前709年 |
| Nanakshahi calendar | −265 |
| Thai solar calendar | 1745–1746 |
The year 1203 BC